Palestinian workers remove iron from the rubble of a building that was destroyed during the 50-day war between Israel and Hamas’ militants in the summer of 2014, in the al-Shejaeiya neighbourhood, east of Gaza City, on Thursday

Pakistani labourers work at an iron factory in Karachi on the eve of International Labour Day. Pakistan has a workforce of around 56m people among a population of 179m, according to Pakistan’s official figures compiled by the Federal Bureau of Statistics.